Torich International Limited
| Packaging Details | IN BUNDLES OR WOODEN BOX |
| Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C |
| Supply Ability | 50000 TONS PER YEAR |
| Type | Welded |
| Steel Grade | 300 Series |
| Place of Origin | China |
| Brand Name | Torich |
| Certification | IS09001 ISO14001 TS16949 |
| Model Number | A928 / A928M |
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Product Specification
| Packaging Details | IN BUNDLES OR WOODEN BOX | Delivery Time | 30-60DAYS |
| Payment Terms | T/T L/C | Supply Ability | 50000 TONS PER YEAR |
| Type | Welded | Steel Grade | 300 Series |
| Place of Origin | China | Brand Name | Torich |
| Certification | IS09001 ISO14001 TS16949 | Model Number | A928 / A928M |
A928/A928M Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric
Fusion Welded with Addition of Filler Metal
Electric-fusion-welded Steel Pipe for corrosive service.
Grade:
S31200, S31260, S31500,
S31803, S32003, S32205,
S32304, S32550, S32750,
S32900, S32950, S32760, S32520
Manufacture:
Welding, the joints are fully penetration double-welded or single-welded
Five Classes of pipes are covered :
Class 1 - Pipes shall be double welded by processes using filler metal in all passes and shall be
radiographed completely
Class 2 - Pipes shall be double welded by processes using filler metal in all passes.
No radiograph is required
Class 3- Pipes shall be single welded by processes using filler metal in all passes and
shall be radiagraphed
Class 4 - Same as Class 3, except that the weld pass exposed to the inside pipe surface is permitted to be made without the addition of filler metal
Class 5 - Pipes shall be double welded by processes using filler metal in all passes and shall be spot radiographed
TABLE 1 Heat Treatment
| UNS Designation | GradeA | Temperature,°F[°C] | Quench |
| S31200 | … | 1920-2010[1050-1100] | Rapid cooling in water |
| S31260 | … | 1870-2010[1020-1100] | Rapid cooling in water |
| S31500 | … | 1800-1900[980-1040] | Rapid cooling in air or water |
| S32205 | 2205 | 1870-2010[1020-1100] | Rapid cooling in air or water |
| S32304 | 2304 | 1700-1920[925-1050] | Rapid cooling in air or water |
| S32550 | 255 | 1900[1040],min | Rapid cooling in air or water |
| S32750 | 2507 | 1880-2060[1025-1125] | Rapid cooling in air or water |
| S32900 | 329B | 1700-1750[925-955] | Rapid cooling in air or water |
| S32950 | … | 1820-1880[990-1025] | Rapid cooling in air or water |
A Except as indicated, common name, not a trademark, widely used, not associated with any one producer.
B A grade designation originally assigned by the American Iron and Steel Institute (AISI).
Reference Documents:
ASTM Standard:
A 240/A 240M Specification for Chromium and
Chromium-Nickel Stainless Steel Plate, Sheet, and Strip
for Pressure Vessels and General Applications
A 480/A 480M Specification for General Requirements for
Flat-Rolled Stainless and Heat-Resisting Steel Plate,
Sheet, and Strip
A 941 Terminology Relating to Steel, Stainless Steel, Related
Alloys, and Ferroalloys
A 999/A 999M Specification for General Requirements for
Alloy and Stainless Steel Pipe
E 426 Practice for Electromagnetic (Eddy-Current) Examination
of Seamless and Welded Tubular Products, Austenitic
Stainless Steel and Similar Alloys
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Site Member
Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO... Torich Interational Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes，DO...
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